1970 Chevy C10 Fuse Box Diagram

If you own a 1970 Chevy C10, you may need to replace a blown fuse at some point. To do so, you’ll need to know the location of each fuse and what it controls. In this article, we’ll provide a detailed fuse box diagram for your reference. Read on to learn more.

Fuse Box Location

The fuse box on a 1970 Chevy C10 is located under the dash on the driver’s side. You’ll need to get on your back and look up to see it. It’s a rectangular box with a lid that snaps on and off. To remove the lid, simply pull it off by hand. You may need to use a flashlight to see the fuses inside.

Tools Needed

You don’t need any special tools to access the fuse box on your 1970 Chevy C10. All you need is a flashlight to help you see the fuses inside. If you need to remove a blown fuse, you can do so with a pair of pliers or your fingers. Just be sure to replace it with a fuse of the same amperage rating.

Fuse Box Diagram

Fuse Amp Rating Function
1 2.5 Dome Light, Courtesy Light, Glove Box Light, Cargo Light Switch
2 7.5 Instrument Lights, Clock Light
3 4 Radio Lamp, Brake Warning Lamp, Turn Signal Lamp
4 30 Power Window Circuit Breaker
5 20 Heater, Defroster, Air Conditioning
6 20 Backup Light Switch
7 20 Horn Relay, Horn Button, Horn
8 25 Windshield Wiper Circuit Breaker
9 20 Cigarette Lighter, Ash Tray Light, Ignition Switch, Courtesy Light Switch, Dome Light Switch
10 30 Power Seat Circuit Breaker

Frequently Asked Questions

1. How do I know if a fuse is blown?

If a fuse is blown, you’ll see a break or gap in the metal filament inside the fuse. You can test a fuse with a multimeter or a test light to confirm whether it’s blown or not.

2. What happens if I use a fuse with the wrong amperage rating?

If you use a fuse with the wrong amperage rating, it can cause an electrical overload and potentially start a fire. Always replace a blown fuse with a fuse of the same amperage rating.

3. How do I remove a blown fuse from the fuse box?

To remove a blown fuse, use a pair of pliers or your fingers to gently pull it out of the socket. Be careful not to touch the metal contacts on the bottom of the fuse, as they can be hot.

4. Where can I buy replacement fuses?

You can buy replacement fuses at any auto parts store or online. Just make sure to purchase fuses with the same amperage rating as the ones you’re replacing.

5. What should I do if a fuse keeps blowing?

If a fuse keeps blowing, it’s a sign of an electrical problem that needs to be diagnosed and repaired. Take your vehicle to a qualified mechanic to have it checked out.


Now that you have a detailed fuse box diagram for your 1970 Chevy C10, you should be able to replace a blown fuse quickly and easily. Just remember to always use a fuse with the same amperage rating, and if you’re unsure about anything, don’t hesitate to contact a professional mechanic.